#!/bin/bash

for((i=0;  i<10; i++))
do


    if((  i > 5  ));
    then
        echo "已经到达5了， 退出";
        break
    fi

    echo -n "i ==>  $i   "
done


index=0;

while [  $index -lt  10 ]
do

    echo -n   "index  is  $index   "
    index=$[ $index + 1 ]
    if [  $index -gt  5  ] ;
    then
        echo "exist"
        break
    fi


done




for (( i=10; i<20; i++))
do
	if (( i>0 && i<15));then
		continue
	else
		echo "Number is $i"
	fi
done

